Improvement in flues



N. FoucHE.

` Chimney Flue. rm-:108,014I 4 Patented och 4, 1870.

` To all who-m 'it may Aconter-1i: n

` ue, along which the 'gg aan elle.

`NELson` Foucart., or NEW" catalans-LOUISIANA.

Letters Patent VNol"109,014,kaat october 4, 1870.

IMP`ROVMENT IN FLUES.`

y The Schednfereferred to nthee `Ilhettera'Patent and making part f the saxxe 13e it known that I, NELSON recent, pf uw' any of New Orleans, and parish of Orleans, in the State of Louisiana, haveinventeda new andirnproved Arrangement lnGonstructionofFlucs; and I do hereby declare that the following is afilll andexact description thereof, reference being had to thefaccompanyin'g,drawing f making part of thisapplication.` y y invention consists `in a novel arrangement of clnmney-iiues, whereby the draft is augmented, so that green fu'el may he made to burn as well as dry.'

'The drawmgvrepresents ground planV of a furnace,

` for the sake of illustration suclia one as .would be dewhereby the draft is intensified, and thus better burn-` ingrof fuel beingobtained, itsfquantity to be consumed fora given amount ot' work is lessened.

In thedrawi`ng4 l The fireplace being at B is the main channel or evaporation-pans c c "c2, c3 are nsually placed.

. D is the vsmoke-stack, and

of fuel to be used, the work` to be performed,and other considerations.Y

.These channels` are` arranged andconstructed in the Ahitherto done;

Vmiddle one, j, being intermediate between the two, its

cross-sectional area is in the same propel-tin, so that,

ifiit should beadmitted that the cross-sectional area` of the line le is sixsquare feet, and that' of the ue g twelve square feet, then the iue f would be nine lsquare feet, and so on.

tally, as shown in the drawing, or vertically, according to the willof the builder, necessity of the plaee,.

or otherconditions.` n

By This simple arrangement not onlygreen fuel will Vburn most satisfactorily, but also three-fourths of smoke will be eonsnmedrthus utilizing much more heat from ythesame quantity of fuel than has been I am aware that 'tlues of graduated size, around a circular fire-box, have beeuused, as, for instance, in j: the patent-to J. -G. Porter, Api-i1 12, 1870, but as it fis apparent that such an arrangement differs essen- 'tially from lmine in principle, I do not lay claim to any e,f,and g yare the branch-'dues or channels, leading, `as shown, irom the4 main fiueB `to the chimney D.

` The number ot'. these channels, e fg, maybe multiplied or lessened atwill, according tothe character l What I do claim, and desire'to secure by Letters 4latent, l A c Aplnralitylof fines, leading Vfrom the same main -lne into the smoke-stack, when said luesiucrease in 

